./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 662326001f61b68297375e4138420a74e8c43c9b4c5124522e447d091a284d35 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:19:55,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:19:55,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:19:55,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:19:55,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:19:55,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:19:55,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:19:55,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:19:55,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:19:55,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:19:55,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:19:55,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:19:55,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:19:55,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:19:55,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:19:55,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:19:55,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:19:55,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:19:55,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:19:55,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:19:55,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:19:55,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:19:55,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:19:55,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:19:55,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:19:55,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:19:55,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:19:55,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:19:55,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:19:55,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:19:55,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:19:55,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:19:55,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:19:55,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:19:55,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:19:55,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:19:55,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:19:55,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:19:55,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:19:55,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:19:55,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:19:55,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:19:55,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:19:55,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:19:55,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:19:55,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:19:55,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:19:55,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:19:55,661 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:19:55,661 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:19:55,661 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:19:55,662 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:19:55,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:19:55,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:19:55,663 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:19:55,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:19:55,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:19:55,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:19:55,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:19:55,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:19:55,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:19:55,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:19:55,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:19:55,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:19:55,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:19:55,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:19:55,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:19:55,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:19:55,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:19:55,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:19:55,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:19:55,669 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:19:55,670 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 662326001f61b68297375e4138420a74e8c43c9b4c5124522e447d091a284d35 [2021-10-21 19:19:56,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:19:56,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:19:56,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:19:56,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:19:56,095 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:19:56,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-restricted-15/a.07.c [2021-10-21 19:19:56,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/data/2adfe1bf5/8ad10a4837b0428780f3e250f9b0a27d/FLAG3e1f630f4 [2021-10-21 19:19:56,738 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:19:56,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/sv-benchmarks/c/termination-restricted-15/a.07.c [2021-10-21 19:19:56,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/data/2adfe1bf5/8ad10a4837b0428780f3e250f9b0a27d/FLAG3e1f630f4 [2021-10-21 19:19:57,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/data/2adfe1bf5/8ad10a4837b0428780f3e250f9b0a27d [2021-10-21 19:19:57,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:19:57,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:19:57,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:19:57,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:19:57,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:19:57,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9424ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57, skipping insertion in model container [2021-10-21 19:19:57,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:19:57,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:19:57,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:19:57,351 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:19:57,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:19:57,384 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:19:57,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57 WrapperNode [2021-10-21 19:19:57,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:19:57,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:19:57,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:19:57,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:19:57,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:19:57,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:19:57,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:19:57,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:19:57,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:19:57,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:19:57,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:19:57,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:19:57,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (1/1) ... [2021-10-21 19:19:57,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:57,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:57,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:19:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:19:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:19:57,775 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:19:57,775 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 19:19:57,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:57 BoogieIcfgContainer [2021-10-21 19:19:57,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:19:57,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:19:57,779 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:19:57,783 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:19:57,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:19:57,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:19:57" (1/3) ... [2021-10-21 19:19:57,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6edc58ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:19:57, skipping insertion in model container [2021-10-21 19:19:57,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:19:57,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:57" (2/3) ... [2021-10-21 19:19:57,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6edc58ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:19:57, skipping insertion in model container [2021-10-21 19:19:57,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:19:57,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:57" (3/3) ... [2021-10-21 19:19:57,790 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.07.c [2021-10-21 19:19:57,839 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:19:57,839 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:19:57,839 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:19:57,839 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:19:57,839 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:19:57,840 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:19:57,840 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:19:57,840 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:19:57,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:19:57,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:19:57,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:19:57,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:19:57,882 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:19:57,882 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:19:57,882 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:19:57,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:19:57,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:19:57,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:19:57,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:19:57,884 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:19:57,884 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:19:57,890 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2021-10-21 19:19:57,890 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 > main_~y~0 && main_~x~0 > main_~z~0);main_~y~0 := 1 + main_~y~0;main_~z~0 := 1 + main_~z~0; 3#L12-2true [2021-10-21 19:19:57,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:19:57,898 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 19:19:57,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:19:57,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061765749] [2021-10-21 19:19:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:19:57,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:19:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:57,988 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:19:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:58,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:19:58,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:19:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-21 19:19:58,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:19:58,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743414989] [2021-10-21 19:19:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:19:58,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:19:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:58,032 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:19:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:58,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:19:58,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:19:58,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-21 19:19:58,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:19:58,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234367130] [2021-10-21 19:19:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:19:58,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:19:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:58,058 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:19:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:58,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:19:58,170 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:19:58,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:19:58,172 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:19:58,172 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:19:58,172 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:19:58,172 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,172 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:19:58,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:19:58,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07.c_Iteration1_Loop [2021-10-21 19:19:58,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:19:58,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:19:58,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:19:58,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:19:58,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:19:58,392 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:19:58,393 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:19:58,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:58,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:58,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:19:58,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:19:58,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:19:58,454 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:19:58,454 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:19:58,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:58,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:58,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:58,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:19:58,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:19:58,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:19:58,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:19:58,514 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:19:58,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:19:58,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:58,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:58,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:19:58,572 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:19:58,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:19:58,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:58,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:58,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:58,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:19:58,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:19:58,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:19:58,890 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:19:58,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:58,896 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:19:58,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:19:58,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:19:58,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:19:58,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:19:58,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:19:58,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:19:58,898 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07.c_Iteration1_Loop [2021-10-21 19:19:58,898 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:19:58,898 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:19:58,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:19:58,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:19:58,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:19:58,989 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:19:58,994 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:19:58,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:58,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:58,998 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:59,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:19:59,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:19:59,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:19:59,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:19:59,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:19:59,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:19:59,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:19:59,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:19:59,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:19:59,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-21 19:19:59,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:59,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:59,101 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:59,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:19:59,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:19:59,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:19:59,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:19:59,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:19:59,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:19:59,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:19:59,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:19:59,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:19:59,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:59,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:59,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:59,190 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:59,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:19:59,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:19:59,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:19:59,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:19:59,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:19:59,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:19:59,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:19:59,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:19:59,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:19:59,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:19:59,231 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 19:19:59,231 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:19:59,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:19:59,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:59,237 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:59,255 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:19:59,256 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:19:59,256 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:19:59,256 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-21 19:19:59,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:19:59,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:59,289 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:19:59,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:19:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:19:59,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:19:59,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:19:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:19:59,361 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:19:59,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:19:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:19:59,384 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 19:19:59,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:19:59,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 18 transitions. Complement of second has 5 states. [2021-10-21 19:19:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:19:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:19:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-21 19:19:59,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-21 19:19:59,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:19:59,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-21 19:19:59,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:19:59,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-21 19:19:59,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:19:59,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-21 19:19:59,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:19:59,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-21 19:19:59,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:19:59,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:19:59,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:19:59,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:19:59,446 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:19:59,446 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:19:59,446 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:19:59,446 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:19:59,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:19:59,446 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:19:59,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:19:59,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:19:59 BoogieIcfgContainer [2021-10-21 19:19:59,454 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:19:59,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:19:59,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:19:59,455 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:19:59,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:57" (3/4) ... [2021-10-21 19:19:59,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:19:59,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:19:59,462 INFO L168 Benchmark]: Toolchain (without parser) took 2343.95 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 54.2 MB in the beginning and 58.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:59,463 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 58.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:59,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.80 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 53.9 MB in the beginning and 111.7 MB in the end (delta: -57.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:59,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.50 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 110.9 MB in the end (delta: 854.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:59,466 INFO L168 Benchmark]: Boogie Preprocessor took 35.68 ms. Allocated memory is still 134.2 MB. Free memory was 110.9 MB in the beginning and 109.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:59,467 INFO L168 Benchmark]: RCFGBuilder took 300.49 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 101.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:59,468 INFO L168 Benchmark]: BuchiAutomizer took 1675.19 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 58.4 MB in the end (delta: 42.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:59,468 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 134.2 MB. Free memory was 58.4 MB in the beginning and 58.1 MB in the end (delta: 382.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:59,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 58.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.80 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 53.9 MB in the beginning and 111.7 MB in the end (delta: -57.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.50 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 110.9 MB in the end (delta: 854.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.68 ms. Allocated memory is still 134.2 MB. Free memory was 110.9 MB in the beginning and 109.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 300.49 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 101.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1675.19 ms. Allocated memory is still 134.2 MB. Free memory was 101.3 MB in the beginning and 58.4 MB in the end (delta: 42.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.32 ms. Allocated memory is still 134.2 MB. Free memory was 58.4 MB in the beginning and 58.1 MB in the end (delta: 382.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:19:59,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:59,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16849489-db95-404d-9350-8b23a3f3ab37/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...